aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/boot/compressed
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/boot/compressed')
-rw-r--r--arch/x86/boot/compressed/head_64.S5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index d8819efac81d..1d5dff4123e1 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -30,6 +30,7 @@
30#include <asm/page.h> 30#include <asm/page.h>
31#include <asm/boot.h> 31#include <asm/boot.h>
32#include <asm/msr.h> 32#include <asm/msr.h>
33#include <asm/processor-flags.h>
33#include <asm/asm-offsets.h> 34#include <asm/asm-offsets.h>
34 35
35.section ".text.head" 36.section ".text.head"
@@ -109,7 +110,7 @@ startup_32:
109 110
110 /* Enable PAE mode */ 111 /* Enable PAE mode */
111 xorl %eax, %eax 112 xorl %eax, %eax
112 orl $(1 << 5), %eax 113 orl $(X86_CR4_PAE), %eax
113 movl %eax, %cr4 114 movl %eax, %cr4
114 115
115 /* 116 /*
@@ -170,7 +171,7 @@ startup_32:
170 pushl %eax 171 pushl %eax
171 172
172 /* Enter paged protected Mode, activating Long Mode */ 173 /* Enter paged protected Mode, activating Long Mode */
173 movl $0x80000001, %eax /* Enable Paging and Protected mode */ 174 movl $(X86_CR0_PG | X86_CR0_PE), %eax /* Enable Paging and Protected mode */
174 movl %eax, %cr0 175 movl %eax, %cr0
175 176
176 /* Jump from 32bit compatibility mode into 64bit mode. */ 177 /* Jump from 32bit compatibility mode into 64bit mode. */